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NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
1. Which is a requirement for designated battery rooms?
A) Gas pipe equipment must be constructed and installed for a Hazardous Class I location.
B) Battery cabinets, racks, or trays must have a minimum clearance of 12 in. from any wall.
C) illumination shall be provided by lighting outlets controlled by automated means only.
D) must be equipped with panic hardware and open m the direction of egress.
2. A PV system was installed in July 2017 under the 2017 NEC. The system has a string inverter located inside a garage on a wall 10 ft, from the outside wall and 1oft, from the ac load center at the point of utility connection. The PV system has a PV array on the roof. Which of the following represents the PV rapid shutdown system requirement for the controlled PV system conductors associated with this PV array?
A) More than 1 ft, from the VP array and more than 5 ft. In length the building.
B) Within the array boundary and more than 3.ft from the point of entry of the building.
C) More than 1 ft, from the PV array or more than 3 ft, from the point of entry of the building.
D) More than 10ft, from the PV array or more than 5 ft. in length inside the building
3. Insulation resistance testing is being performed on the conductors of a 3-year-old PV system. With a constant high test voltage being applied to a dc conductor, the test results in a high resistance reading. Which does this finding indicate?
A) Soling of modules has reduced the efficiency of the system.
B) The conductor insulation is functioning as intended.
C) Typical module degradation has lowered the output of the system's strings.
D) Wiring insulation has degraded and is resulting in leakage.
4. A PV array's output drops by 8% due to shading from 10 AM to 2 PM. If unshaded output is 12 kW, what is the shaded output?
A) 11.2 kW
B) 11.0 kW
C) 10.6 kW
D) 10.0 kW
5. A metal condult containing an array circuit with Vmo of 400Vdc is connected to a metal enclosure at the location where the concentric knockouts have been punched by the manufacturer. Which method of attachment should be used?
A) Sealing locknut
B) Grounding bushing
C) Insulated bushing
D) Threaded coupling
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: B |

